Comparison of electrical current and ultrasonic device for incision of the septum of the pharyngoesophageal diverticulum in a pig model - Hondo, Fábio Yuji; Giordano-Nappi, José Humberto; Pessorrusso, Fernanda Cristina Simões; Franco, Matheus Cavalcante; Neves, Carla Zanelatto; Cecconello, Ivan; Sakai, Paulo; Maluf-Filho, Fauze (Surgical Endoscopy, 2015)